The Plug,protective,dust and Moistur, cataloged under National Stock Number 5340-01-656-3966, is classified within Federal Supply Class 5340 (Hardware, Commercial) of the Hardware and Abrasives group. The manufacturer of record is Price Engineering Company, Llc. Government technical data includes 2 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 5340-01-656-3966 |
| Primary Part Number | 6408-H-04-O |
| Item Name | Plug,protective,dust and Moistur |
| FSC / FSG | 5340 / 53 — Hardware, Commercial |
| Manufacturer | Price Engineering Company, Llc |
| Status | ACTIVE |
| Overall Diameter | 0.560 INCHES NOMINAL IN |
| Drive Type | HEX SOCKET |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Unit of Issue | EA |
| Part Number | Manufacturer |
|---|---|
| 6408-H-04-O PRIMARY | Price Engineering Company, Llc (USA) |
| Reference | Meaning |
|---|---|
| 4256496 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5340-01-656-3966 is a Plug,protective,dust and Moistur, manufactured by Price Engineering Company, Llc, classified under FSC 5340, Hardware, Commercial. Status: active.
NSN 5340-01-656-3966 has 1 manufacturer part number on file: 6408-H-04-O (Price Engineering Company, Llc).
Key specifications for 6408-H-04-O: Overall Diameter: 0.560 INCHES NOMINAL IN; Drive Type: HEX SOCKET; Special Features: OVERALL LENGTH: 0.460 INCH NONINAL;LENGTH UNDER HEAD: 0.360 INCH NOMINAL;INSIDE HEX DRIVE WIDTH ACROSS FLATS: 0.190 INHC NOMINAL;ORING .351X.072,NBR .90 IN; Part Name Assigned by Controlling Agency: FTG,PLUG ST 40RG INHEX. 2 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.